mirror of https://github.com/acidanthera/audk.git
55 lines
1.6 KiB
NASM
55 lines
1.6 KiB
NASM
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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; This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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; Module Name:
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;
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; ScanMem16.Asm
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;
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; Abstract:
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;
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; ScanMem16 function
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;
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; Notes:
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;
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; The following BaseMemoryLib instances contain the same copy of this file:
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;
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; BaseMemoryLibRepStr
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; BaseMemoryLibMmx
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; BaseMemoryLibSse2
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; BaseMemoryLibOptDxe
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; BaseMemoryLibOptPei
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;
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;------------------------------------------------------------------------------
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SECTION .text
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;------------------------------------------------------------------------------
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; CONST VOID *
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; EFIAPI
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; InternalMemScanMem16 (
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; IN CONST VOID *Buffer,
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; IN UINTN Length,
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; IN UINT16 Value
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(InternalMemScanMem16)
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ASM_PFX(InternalMemScanMem16):
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push edi
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mov ecx, [esp + 12]
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mov edi, [esp + 8]
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mov eax, [esp + 16]
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repne scasw
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lea eax, [edi - 2]
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cmovnz eax, ecx
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pop edi
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ret
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